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2112203221310 = 257213331586063
BaseRepresentation
bin11110101111001001000…
…111110110100100111110
321110220222002000001210102
4132233021013312210332
5234101243011040220
64254155513241102
7305413236102200
oct36571107664476
97426862001712
102112203221310
11744864720756
122a1438703192
1312424534cc10
147433450c770
1539e2372b775
hex1ebc91f693e

2112203221310 has 48 divisors (see below), whose sum is σ = 4762902223296. Its totient is φ = 668477500992.

The previous prime is 2112203221291. The next prime is 2112203221361. The reversal of 2112203221310 is 131223022112.

It is a super-2 number, since 2×21122032213102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165786662 + ... + 165799401.

It is an arithmetic number, because the mean of its divisors is an integer number (99227129652).

Almost surely, 22112203221310 is an apocalyptic number.

2112203221310 is an abundant number, since it is smaller than the sum of its proper divisors (2650699001986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112203221310 is a wasteful number, since it uses less digits than its factorization.

2112203221310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331586097 (or 331586090 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2112203221310 its reverse (131223022112), we get a palindrome (2243426243422).

The spelling of 2112203221310 in words is "two trillion, one hundred twelve billion, two hundred three million, two hundred twenty-one thousand, three hundred ten".

Divisors: 1 2 5 7 10 13 14 26 35 49 65 70 91 98 130 182 245 455 490 637 910 1274 3185 6370 331586063 663172126 1657930315 2321102441 3315860630 4310618819 4642204882 8621237638 11605512205 16247717087 21553094095 23211024410 30174331733 32495434174 43106188190 60348663466 81238585435 150871658665 162477170870 211220322131 301743317330 422440644262 1056101610655 2112203221310